Procainamide - Answer Na channel blockade delaying repolarization
Prolongs refractory period
, Used for atrial and ventricular dysrhythmias
Procainamide - Answer Use for tx of:
-Vtach
-PVCs
-SVT
Procainamide - Answer AE:
-Potentiates hypotension
-Torsades
-PR interval
-SLE
-Agranulocytosis
-*heart blocks/asystole*
Procainamide - Answer D/C med if:
Heart blocks/asystole occurs!
if torsades occurs
Class 1B drugs - Answer Lidocaine (xylocaine)
Lidocaine - Answer Suppresses ventricular dysrhythmias associated with depolarization
no effect on CO or vagus
Lidocaine - Answer Use:
*ventricular dysrhytmias*
Lidocaine - Answer Loading dose then continuous infusion
Dec by 50% if pt has hepatic problems
Check lidocaine levels
"lido crazies" pt either lethargic or wild
1.5-5 - Answer Lidocaine levels
group II drugs - Answer Beta blockers
Propanolol
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